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DER-39 PDF预览

DER-39

更新时间: 2022-04-23 23:00:11
品牌 Logo 应用领域
帕沃英蒂格盛 - POWERINT /
页数 文件大小 规格书
23页 816K
描述
2.5W Adapter using LNK520P

DER-39 数据手册

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Design Example Report  
Title  
2.5W Adapter using LNK520P  
Input: 90-265Vac  
Specification  
Output: 5.5V / 450mA  
Cell Phone Charger  
Application  
Author  
Power Integrations Applications Department  
Document  
Number  
DER-39  
Date  
May 13, 2004  
1.0  
Revision  
Summary and Features  
No optocoupler  
Provides sloping output VI characteristic, making it an ideal low standby power  
replacement for a linear transformer  
Uses an EF12.6 transformer  
No Y1 safety capacitor required, giving very low earth leakage current  
Meets CISPR-22B with large margin  
Low component count  
Less than 300mW standby consumption at 230 VAC  
High efficiency  
The products and applications illustrated herein (including circuits external to the products and transformer  
construction) may be covered by one or more U.S. and foreign patents or potentially by pending U.S. and foreign  
patent applications assigned to Power Integrations. A complete list of Power Integrations’ patents may be found  
at www.powerint.com.  
Power Integrations  
5245 Hellyer Avenue, San Jose, CA 95138 USA.  
Tel: +1 408 414 9200 Fax: +1 408 414 9201  
www.powerint.com  

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